private byte[] createErrorObject(int codeNumber, String errorMessageSummary, String[] errorMessageDetails)
{
if (errorMessageSummary.Length == 0 || errorMessageSummary == null)
{
throw new Exception("Invalid error message specified.");
}
JSONObject errorJSON = new JSONObject();
errorJSON.AddLong("code", codeNumber);
errorJSON.AddString("message", errorMessageSummary);
if (errorMessageDetails == null)
{
errorJSON.AddString("details", "No error details specified.");
}
else
{
String errorMessages = "";
for (int i = 0; i < errorMessageDetails.Length; i++)
{
errorMessages = errorMessages + errorMessageDetails[i] + "\n";
}
errorJSON.AddString("details", errorMessages);
}
JSONObject error = new JSONObject();
errorJSON.AddJSONObject("error", errorJSON);
return(Encoding.UTF8.GetBytes(errorJSON.ToJSONString(null)));
}
private byte[] getLayerCountByType(System.Collections.Specialized.NameValueCollection boundVariables,
JsonObject operationInput,
string outputFormat,
string requestProperties,
out string responseProperties)
{
responseProperties = null;
String layerType = "";
operationInput.TryGetString("type", out layerType);
JSONObject json = new JSONObject();
int count = 0;
if (layerType != null && layerType.Length > 0)
{
String aoType = "";
if (layerType.Equals("all"))
{
count = layerInfos.Count;
}
else if (layerType.Equals("feature"))
{
aoType = "Feature Layer";
}
else if (layerType.Equals("raster"))
{
aoType = "Raster Layer";
}
else if (layerType.Equals("dataset"))
{
aoType = "Network Dataset Layer";
}
for (int i = 0; i < layerInfos.Count; i++)
{
if (layerInfos.get_Element(i).Type.Equals(aoType))
{
count++;
}
}
json.AddLong("count", count);
return(Encoding.UTF8.GetBytes(json.ToJSONString(null)));
}
else
{
return(createErrorObject(500, "Invalid layer type provided. Available types are: \"all\", \"feature\", \"raster\", \"dataset\".",
new String[1] {
"No details specified."
}));
}
}
private JSONArray getLayerInfo()
{
JSONArray layersArray = new JSONArray();
for (int i = 0; i < this.layerInfos.Count; i++)
{
IMapLayerInfo layerInfo = layerInfos.get_Element(i);
JSONObject jo = new JSONObject();
jo.AddString("name", layerInfo.Name);
jo.AddLong("id", layerInfo.ID);
jo.AddString("description", layerInfo.Description);
layersArray.AddJSONObject(jo);
}
return(layersArray);
}
private byte[] LayersResHandler(NameValueCollection boundVariables, string outputFormat, string requestProperties, out string responseProperties)
{
responseProperties = "{\"Content-Type\" : \"application/json\"}";
String aoLayerType = "";
if (this.layerType.Equals("feature"))
{
aoLayerType = "Feature Layer";
}
else if (this.layerType.Equals("raster"))
{
aoLayerType = "Raster Layer";
}
else if (this.layerType.Equals("dataset"))
{
aoLayerType = "Network Dataset Layer";
}
else
{
throw new Exception("Propety layerType has invalid value. Acceptable values are \"feature\", \"raster\", and \"dataset\".");
}
JSONArray layersArray = new JSONArray();
for (int i = 0; i < this.layerInfos.Count; i++)
{
IMapLayerInfo layerInfo = layerInfos.get_Element(i);
String lType = layerInfo.Type;
if (lType.Equals(aoLayerType))
{
JSONObject jo = new JSONObject();
jo.AddString("name", layerInfo.Name);
jo.AddLong("id", layerInfo.ID);
jo.AddString("description", layerInfo.Description);
layersArray.AddJSONObject(jo);
}
}
JSONObject result = new JSONObject();
result.AddJSONArray("Layers", layersArray);
return(Encoding.UTF8.GetBytes(result.ToJSONString(null)));
}
private byte[] LayersResHandler(NameValueCollection boundVariables, string outputFormat, string requestProperties, out string responseProperties)
{
responseProperties = "{\"Content-Type\" : \"application/json\"}";
JSONArray layersArray = new JSONArray();
for (int i = 0; i < this.layerInfos.Count; i++)
{
IMapLayerInfo layerInfo = layerInfos.get_Element(i);
JSONObject jo = new JSONObject();
jo.AddString("name", layerInfo.Name);
jo.AddLong("id", layerInfo.ID);
jo.AddString("type", layerInfo.Type);
jo.AddString("description", layerInfo.Description);
layersArray.AddJSONObject(jo);
}
JSONObject result = new JSONObject();
result.AddJSONArray("layers", layersArray);
return(Encoding.UTF8.GetBytes(result.ToJSONString(null)));
}
/**
* Returns a list of customers serviced by the specified transformer
*/
private byte[] GetCustomersOperHandler(NameValueCollection boundVariables,
JsonObject operationInput,
string outputFormat,
string requestProperties,
out string responseProperties)
{
responseProperties = null;
if (unDataset == null)
{
throw new RestErrorException("No Utility Network found");
}
JSONObject result = new JSONObject();
try
{
string xfrAssetID = "";
operationInput.TryGetString("transformerAssetId", out xfrAssetID);
if (string.IsNullOrEmpty(xfrAssetID))
{
long?assetNumber = null;
operationInput.TryGetAsLong("transformerAssetId", out assetNumber);
if (assetNumber == null)
{
throw new ArgumentNullException("transformerAssetId");
}
else
{
xfrAssetID = assetNumber.ToString();
}
}
// Get the transformer feature global ID from the asset ID
string xfrWhereClause = "ASSETGROUP=" + MV_XFR_ASSETGROUP.ToString() + " AND ASSETID=" + xfrAssetID;
IStringArray xfrOutFields = new StrArrayClass();
xfrOutFields.Add("GLOBALID");
xfrOutFields.Add("ASSETTYPE");
xfrOutFields.Add("SHAPE");
IPropertySetArray xfrQryResults = QueryDevices(xfrWhereClause, xfrOutFields);
if (xfrQryResults == null || xfrQryResults.Count == 0)
{
throw new RestErrorException("No medium voltage transformer found for asset id: " + xfrAssetID);
}
string xfrGlobalID = (string)xfrQryResults.Element[0].GetProperty("GLOBALID");
short xfrAssetType = (short)xfrQryResults.Element[0].GetProperty("ASSETTYPE");
// Execute a downstream trace to find all customer low voltage service points
IStringArray lvsGlobalIDs = FindLVServicePoints(xfrGlobalID);
// Prepare response JSON
JSONObject xfrInfo = new JSONObject();
xfrInfo.AddString("ASSETID", xfrAssetID);
xfrInfo.AddString("GLOBALID", xfrGlobalID);
xfrInfo.AddLong("ASSETGROUP", MV_XFR_ASSETGROUP);
xfrInfo.AddLong("ASSETTYPE", xfrAssetType);
IJSONObject xfrPointJson = new JSONObject();
IGeometry xfrPoint = (IGeometry)xfrQryResults.Element[0].GetProperty("SHAPE");
IJSONConverterGeometry geoSerializer = new JSONConverterGeometryClass();
geoSerializer.QueryJSONGeometry(xfrPoint, false, xfrPointJson);
xfrInfo.AddJSONObject("geometry", xfrPointJson);
result.AddJSONObject("transformer", xfrInfo);
IJSONArray servicePoints = new JSONArrayClass();
// Get additional service point info if any returned from trace
if (lvsGlobalIDs != null && lvsGlobalIDs.Count > 0)
{
// Query devices to get more details about service points
string lvsGlobalIDList = "";
for (int i = 0; i < lvsGlobalIDs.Count; i++)
{
lvsGlobalIDList += (i == 0) ? "" : ",";
lvsGlobalIDList += "'" + lvsGlobalIDs.Element[i] + "'";
}
string lvsWhereClause = "GLOBALID IN (" + lvsGlobalIDList + ")";
IStringArray lvsOutFields = new StrArrayClass();
lvsOutFields.Add("GLOBALID");
lvsOutFields.Add("ASSETTYPE");
lvsOutFields.Add("ASSETGROUP");
lvsOutFields.Add("ASSETID");
lvsOutFields.Add("SHAPE");
IPropertySetArray lvsQryResults = QueryDevices(lvsWhereClause, lvsOutFields);
// Get customer details
if (lvsQryResults != null && lvsQryResults.Count > 0)
{
for (int i = 0; i < lvsQryResults.Count; i++)
{
IPropertySet lvs = lvsQryResults.Element[i];
JSONObject servicePoint = new JSONObject();
servicePoint.AddString("GLOBALID", (string)lvs.GetProperty("GLOBALID"));
servicePoint.AddString("ASSETID", (string)lvs.GetProperty("ASSETID"));
servicePoint.AddLong("ASSETGROUP", (int)lvs.GetProperty("ASSETGROUP"));
servicePoint.AddLong("ASSETTYPE", (short)lvs.GetProperty("ASSETTYPE"));
IGeometry lvsPoint = (IGeometry)lvs.GetProperty("SHAPE");
IJSONObject lvsPointJson = new JSONObject();
geoSerializer.QueryJSONGeometry(lvsPoint, false, lvsPointJson);
servicePoint.AddJSONObject("geometry", lvsPointJson);
JSONObject customerInfo = GetCustomerInfoJSON();
servicePoint.AddJSONObject("customerInfo", customerInfo);
servicePoints.AddJSONObject(servicePoint);
}
}
}
result.AddJSONArray("servicePoints", servicePoints);
}
catch (Exception e)
{
logger.LogMessage(ServerLogger.msgType.debug, soe_name + " getCustomers", 500, "Exception " + e.GetType().Name + " " + e.Message + " " + e.StackTrace);
JSONObject error = soeUtil.CreateErrorJSON(500, "Unable to complete operation", e.HResult, e.Message);
return(Encoding.UTF8.GetBytes(error.ToJSONString(null)));
}
return(Encoding.UTF8.GetBytes(result.ToJSONString(null)));
}
private JSONArray getLayerInfo()
{
JSONArray layersArray = new JSONArray();
for (int i = 0; i < this.layerInfos.Count; i++)
{
IMapLayerInfo layerInfo = layerInfos.get_Element(i);
JSONObject jo = new JSONObject();
jo.AddString("name", layerInfo.Name);
jo.AddLong("id", layerInfo.ID);
jo.AddString("description", layerInfo.Description);
layersArray.AddJSONObject(jo);
}
return layersArray;
}
private byte[] createErrorObject(int codeNumber, String errorMessageSummary, String[] errorMessageDetails)
{
if (errorMessageSummary.Length == 0 || errorMessageSummary == null)
{
throw new Exception("Invalid error message specified.");
}
JSONObject errorJSON = new JSONObject();
errorJSON.AddLong("code", codeNumber);
errorJSON.AddString("message", errorMessageSummary);
if (errorMessageDetails == null)
{
errorJSON.AddString("details", "No error details specified.");
}
else
{
String errorMessages = "";
for (int i = 0; i < errorMessageDetails.Length; i++)
{
errorMessages = errorMessages + errorMessageDetails[i] + "\n";
}
errorJSON.AddString("details", errorMessages);
}
JSONObject error = new JSONObject();
error.AddJSONObject("error", errorJSON);
return Encoding.UTF8.GetBytes(error.ToJSONString(null));
}
private byte[] LayersResHandler(NameValueCollection boundVariables, string outputFormat, string requestProperties, out string responseProperties)
{
responseProperties = "{\"Content-Type\" : \"application/json\"}";
String aoLayerType = "";
if (this.layerType.Equals("feature"))
{
aoLayerType = "Feature Layer";
}
else if (this.layerType.Equals("raster"))
{
aoLayerType = "Raster Layer";
}
else if (this.layerType.Equals("dataset"))
{
aoLayerType = "Network Dataset Layer";
}
else
{
throw new Exception("Propety layerType has invalid value. Acceptable values are \"feature\", \"raster\", and \"dataset\".");
}
JSONArray layersArray = new JSONArray();
for (int i = 0; i < this.layerInfos.Count; i++)
{
IMapLayerInfo layerInfo = layerInfos.get_Element(i);
String lType = layerInfo.Type;
if (lType.Equals(aoLayerType))
{
JSONObject jo = new JSONObject();
jo.AddString("name", layerInfo.Name);
jo.AddLong("id", layerInfo.ID);
jo.AddString("description", layerInfo.Description);
layersArray.AddJSONObject(jo);
}
}
JSONObject result = new JSONObject();
result.AddJSONArray("Layers", layersArray);
return Encoding.UTF8.GetBytes(result.ToJSONString(null));
}
private byte[] LayersResHandler(NameValueCollection boundVariables, string outputFormat, string requestProperties, out string responseProperties)
{
responseProperties = "{\"Content-Type\" : \"application/json\"}";
JSONArray layersArray = new JSONArray();
for (int i = 0; i < this.layerInfos.Count; i++)
{
IMapLayerInfo layerInfo = layerInfos.get_Element(i);
JSONObject jo = new JSONObject();
jo.AddString("name", layerInfo.Name);
jo.AddLong("id", layerInfo.ID);
jo.AddBoolean("addlayer", false);
jo.AddString("description", layerInfo.Description);
layersArray.AddJSONObject(jo);
}
JSONObject result = new JSONObject();
result.AddJSONArray("layers", layersArray);
return Encoding.UTF8.GetBytes(result.ToJSONString(null));
}
private byte[] ProcessEditAreas(IServerObject serverObject, string versionName)
{
try
{
// Open utility network
IDataset unDataset = _soiUtil.GetUNDataset(serverObject, versionName);
IWorkspace workspace = (IWorkspace)unDataset.Workspace;
// Get all the dirty areas in the given validation area
IBaseNetwork baseNetwork = (IBaseNetwork)unDataset;
ITable dirtyAreaTable = baseNetwork.DirtyAreaTable;
string shapeFieldName = ((IFeatureClass)dirtyAreaTable).ShapeFieldName;
int areaFieldIndex = dirtyAreaTable.FindField(shapeFieldName);
int creatorFieldIndex = dirtyAreaTable.FindField("CREATOR");
// Get UN schema version
IDatasetComponent dsComponent = (IDatasetComponent)unDataset;
IDEBaseNetwork deBaseNetwork = (IDEBaseNetwork)dsComponent.DataElement;
int unVersion = deBaseNetwork.SchemaGeneration;
// Get inserts made to dirty areas table in the current version
// For UN > V4, Errors are discarded (ERROCODE>0) to only retain true dirty areas
// Note that changes made in the last edit session must be saved for this to work
// as it is not possible to get the modifications until they have been saved.
IVersionedTable versionedTable = (IVersionedTable)dirtyAreaTable;
QueryFilter qryFilter = null;
if (unVersion >= 4)
{
qryFilter = new QueryFilter();
qryFilter.WhereClause = _errorCodeFName + "=0";
}
IDifferenceCursor diffCursor = versionedTable.Differences(dirtyAreaTable, esriDifferenceType.esriDifferenceTypeInsert, qryFilter);
// Loop through added rows to construct the modified zone extent
int editCount = 0;
int OID;
IRow diffRow;
IEnvelope editZone = null;
string creator = "";
diffCursor.Next(out OID, out diffRow);
// Return an error if no dirty areas found as it may be because the last edits were not saved
if (diffRow == null)
{
JSONObject responseJSON = new JSONObject();
responseJSON.AddBoolean("success", false);
JSONObject errorJSON = new JSONObject();
errorJSON.AddLong("extendedCode", (int)fdoError.FDO_E_DIRTY_AREA_BUILD_EXTENT_DO_NOT_INTERSECT);
errorJSON.AddString("message", "A dirty area is not present within the validate network topology input extent. A validate network topology process did not occur.");
JSONArray detailsJSON = new JSONArray();
detailsJSON.AddString("Make sure to save edits before validating.");
errorJSON.AddJSONArray("details", detailsJSON);
responseJSON.AddJSONObject("error", errorJSON);
return(Encoding.UTF8.GetBytes(responseJSON.ToJSONString(null)));
}
while (diffRow != null)
{
editCount += 1;
creator = diffRow.Value[creatorFieldIndex].ToString();
IGeometry rowShape = (IGeometry)diffRow.Value[areaFieldIndex];
IEnvelope rowArea = rowShape.Envelope;
if (editZone != null)
{
editZone.Union(rowArea);
}
else
{
editZone = rowArea.Envelope;
}
diffCursor.Next(out OID, out diffRow);
}
diffCursor = null;
versionedTable = null;
workspace = null;
// Add new or modify existing edit zone
if (editZone != null)
{
AddEditArea(serverObject, creator, versionName, editCount, editZone);
}
}
catch (Exception e)
{
_serverLog.LogMessage(ServerLogger.msgType.infoStandard, _soiName + ".AddEditArea()",
200, "Error while adding edit are: " + e.ToString());
}
return(null);
}
private byte[] QueryByExtentHandler(NameValueCollection boundVariables,
JsonObject operationInput,
string outputFormat,
string requestProperties,
out string responseProperties)
{
responseProperties = null;
if (networkDataset == null)
{
throw new NullReferenceException("Could not access the network dataset.");
}
if (!operationInput.TryGetString("Extent", out var envelopeString))
{
throw new ArgumentNullException("Extent is invalid.");
}
var coords = envelopeString.Split(';');
var minCoords = coords[0].Split(',');
var maxCoords = coords[1].Split(',');
double.TryParse(minCoords[0].Trim(), out var minX);
double.TryParse(minCoords[1].Trim(), out var minY);
double.TryParse(maxCoords[0].Trim(), out var maxX);
double.TryParse(maxCoords[0].Trim(), out var maxY);
// Find features in envelope
IEnvelope env = new EnvelopeClass();
env.PutCoords(minX, minY, maxX, maxY);
ISpatialFilter spatialFilter = new SpatialFilter();
spatialFilter.Geometry = env;
spatialFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects;
// Add selected features OID into LongArray
ILongArray oIDs = new LongArray();
IFeatureCursor fCursor = streetFC.Search(spatialFilter, true);
IFeature feature = fCursor.NextFeature();
while (feature != null)
{
oIDs.Add(feature.OID);
feature = fCursor.NextFeature();
}
// Get the network edges corresponding to the streets and write out information about them
INetworkQuery networkQuery = networkDataset as INetworkQuery;
INetworkJunction fromJunction =
networkQuery.CreateNetworkElement(esriNetworkElementType.esriNETJunction) as INetworkJunction;
INetworkJunction toJunction =
networkQuery.CreateNetworkElement(esriNetworkElementType.esriNETJunction) as INetworkJunction;
IEnumNetworkElement networkElements = networkQuery.ElementsByOIDs[streetsSourceID, oIDs];
INetworkElement networkElement = networkElements.Next();
JSONObject result = new JSONObject();
JSONArray elementArray = new JSONArray();
INetworkEdge networkEdge;
while (networkElement != null)
{
JSONObject jo = new JSONObject();
networkEdge = networkElement as INetworkEdge;
networkEdge.QueryJunctions(fromJunction, toJunction);
double travelTime = (double)networkEdge.AttributeValue[travelTimeAttributeID];
jo.AddLong("EdgeID", networkEdge.EID);
jo.AddLong("FromJunctionID", fromJunction.EID);
jo.AddLong("ToJunctionID", toJunction.EID);
jo.AddDoubleEx(costAttributeName, travelTime, 4);
elementArray.AddJSONObject(jo);
networkElement = networkElements.Next();
}
result.AddJSONArray("NetworkElements", elementArray);
return(Encoding.UTF8.GetBytes(result.ToJSONString(null)));
}
private byte[] getLayerCountByType(System.Collections.Specialized.NameValueCollection boundVariables,
ESRI.ArcGIS.SOESupport.JsonObject operationInput,
string outputFormat,
string requestProperties,
out string responseProperties)
{
responseProperties = null;
String layerType = "";
operationInput.TryGetString("type", out layerType);
JSONObject json = new JSONObject();
int count = 0;
if (layerType != null && layerType.Length > 0)
{
String aoType = "";
if (layerType.Equals("all"))
{
count = layerInfos.Count;
}
else if (layerType.Equals("feature"))
{
aoType = "Feature Layer";
}
else if (layerType.Equals("raster"))
{
aoType = "Raster Layer";
}
else if (layerType.Equals("dataset"))
{
aoType = "Network Dataset Layer";
}
for (int i = 0; i < layerInfos.Count; i++)
{
if (layerInfos.get_Element(i).Type.Equals(aoType))
{
count++;
}
}
json.AddLong("count", count);
return Encoding.UTF8.GetBytes(json.ToJSONString(null));
}
else
{
return createErrorObject(500, "Invalid layer type provided. Available types are: \"all\", \"feature\", \"raster\", \"dataset\".",
new String[1] { "No details specified." });
}
}
